Finding the Fourth Proportional to 3,023.10, 4,223.70 and 3,023.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,023.10 : 4,223.70 = 3,023.10 : x
2. Step 2: Convert to fraction form
   3,023.10/4,223.70 = 3,023.10/x
3. Step 3: Cross multiply
   3,023.10x = 4,223.70 × 3,023.10
4. Step 4: Simplify right side
   3,023.10x = 12,768,667.47
5. Step 5: Solve for x
   x = 12,768,667.47/3,023.10
6. Step 6: Final answer
   x = 4,223.70